# Ohmly vs 体重管理BMI

The clearest difference is in-app purchases: Ohmly at none against 体重管理BMI's 3. Ohmly also leads on ads (none vs shown). 体重管理BMI's advantage is update cadence (daily vs every 3 weeks) and iOS requirement (13.0 vs 26.0). On price and device support there is nothing between them.

Both are free to download. 体重管理BMI sells 3 in-app purchases, starting at $3.99 per month. Ohmly asks for nothing beyond the download.

Ohmly ships an update every 3 weeks, 体重管理BMI daily. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Ohmly | 体重管理BMI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Daily** |
| Size | 7 MB | 31 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Adam Wilkie](https://appshunter.io/developer/893612520) | [良来 姜](https://appshunter.io/developer/1635476455) |

## What reviewers say

### Ohmly

[App page](https://appshunter.io/ios/app/ohmly-electrical-calculator/id6447774551)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


### 体重管理BMI

[App page](https://appshunter.io/ios/app/bmi/id6745217207)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 体重管理BMI月度高级账号订阅 | $3.99 | per month |
| 体重管理BMI季度会员高级账号 | $7.99 | per 3 months |
| 体重管理BMI年度会员高级帐户 | $9.99 | per year |


## Frequently asked questions

### Is Ohmly free?

Ohmly is free to download, with no in-app purchases.

### Is 体重管理BMI free?

体重管理BMI is free to download, with in-app purchases available.

### Do Ohmly or 体重管理BMI have ads?

体重管理BMI shows ads; Ohmly does not.

### Which is updated more often, Ohmly or 体重管理BMI?

Ohmly ships an update every 3 weeks, and 体重管理BMI daily. Most recently, Ohmly was updated on November 7, 2026 and 体重管理BMI on November 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*